Buggy code:
GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemSoulMedium , 9 ) , "E<seq2seq4repair_space>" , "B<seq2seq4repair_space>" , "G<seq2seq4repair_space>" , 'E' , ender_pearl , 'B' , blaze_powder , 'G' , ghast_tear ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemAwakeningEnderman , 3 ) , "EPE" , "<seq2seq4repair_space>M<seq2seq4repair_space>" , "<seq2seq4repair_space>" , 'E' , SupernaturalFlora . itemEndSight , 'P' , potionitem , 'M' , SupernaturalFlora . itemSoulMedium ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemAwakeningGhast , 3 ) , "GPG" , "<seq2seq4repair_space>M<seq2seq4repair_space>" , "<seq2seq4repair_space>" , 'G' , SupernaturalFlora . itemTearVial , 'P' , potionitem , 'M' , SupernaturalFlora . itemSoulMedium ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemAwakeningZombie , 3 ) , "FPF" , "<seq2seq4repair_space>M<seq2seq4repair_space>" , "<seq2seq4repair_space>" , 'F' , SupernaturalFlora . itemCondensedFlesh , 'P' , potionitem , 'M' , SupernaturalFlora . itemSoulMedium ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemAwakeningCreeper , 3 ) , "GPG" , "<seq2seq4repair_space>M<seq2seq4repair_space>" , "<seq2seq4repair_space>" , 'G' , SupernaturalFlora . itemPureGunpowder , 'P' , potionitem , 'M' , SupernaturalFlora . itemSoulMedium ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemAwakeningSkeleton , 3 ) , "BPB" , "<seq2seq4repair_space>M<seq2seq4repair_space>" , "<seq2seq4repair_space>" , 'B' , SupernaturalFlora . itemBonePile , 'P' , potionitem , 'M' , SupernaturalFlora . itemSoulMedium ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemAwakeningBlaze , 3 ) , "FPF" , "<seq2seq4repair_space>M<seq2seq4repair_space>" , "<seq2seq4repair_space>" , 'F' , SupernaturalFlora . itemFireEssence , 'P' , potionitem , 'M' , SupernaturalFlora . itemSoulMedium ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemLifePotion , 3 ) , "EPS" , "<seq2seq4repair_space>" , "<seq2seq4repair_space>" , 'E' , egg , 'P' , potionitem , 'S' , SupernaturalFlora . itemSoulMedium ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( Items . spawn_egg , 3 , 58 ) , "GMG" , "<seq2seq4repair_space>M<seq2seq4repair_space>" , "<seq2seq4repair_space>S<seq2seq4repair_space>" , 'S' , SupernaturalFlora . itemSiftingNet , 'M' , SupernaturalFlora . itemSoulMedium , 'G' , SupernaturalFlora . blockDeadSoilEnderman ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( Items . spawn_egg , 3 , 56 ) , "GMG" , "<seq2seq4repair_space>M<seq2seq4repair_space>" , "<seq2seq4repair_space>S<seq2seq4repair_space>" , 'S' , SupernaturalFlora . itemSiftingNet , 'M' , SupernaturalFlora . itemSoulMedium , 'G' , SupernaturalFlora . blockDeadSoilGhast ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( Items . spawn_egg , 3 , 54 ) , "GMG" , "<seq2seq4repair_space>M<seq2seq4repair_space>" , "<seq2seq4repair_space>S<seq2seq4repair_space>" , 'S' , SupernaturalFlora . itemSiftingNet , 'M' , SupernaturalFlora . itemSoulMedium , 'G' , SupernaturalFlora . blockDeadSoilZombie ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( Items . spawn_egg , 3 , 50 ) , "GMG" , "<seq2seq4repair_space>M<seq2seq4repair_space>" , "<seq2seq4repair_space>S<seq2seq4repair_space>" , 'S' , SupernaturalFlora . itemSiftingNet , 'M' , SupernaturalFlora . itemSoulMedium , 'G' , SupernaturalFlora . blockDeadSoilCreeper ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( Items . spawn_egg , 3 , 51 ) , "GMG" , "<seq2seq4repair_space>M<seq2seq4repair_space>" , "<seq2seq4repair_space>S<seq2seq4repair_space>" , 'S' , SupernaturalFlora . itemSiftingNet , 'M' , SupernaturalFlora . itemSoulMedium , 'G' , SupernaturalFlora . blockDeadSoilSkeleton ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( Items . spawn_egg , 3 , 61 ) , "GMG" , "<seq2seq4repair_space>M<seq2seq4repair_space>" , "<seq2seq4repair_space>S<seq2seq4repair_space>" , 'S' , SupernaturalFlora . itemSiftingNet , 'M' , SupernaturalFlora . itemSoulMedium , 'G' , SupernaturalFlora . blockDeadSoilBlaze ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemSiftingNet , 6 ) , "SSS" , "SSS" , 'S' , string ) ; <START_BUG> GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemIronShard , 9 ) , "I" , 'I' , iron_ingot ) ; <END_BUG> GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemEtherealDivisor , 2 ) , "IM" , 'I' , SupernaturalFlora . itemIronShard , 'M' , SupernaturalFlora . itemSoulMedium ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemEtherealDivisor , 2 ) , "I" , "M" , 'I' , SupernaturalFlora . itemIronShard , 'M' , SupernaturalFlora . itemSoulMedium ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemObsidianIngot , 9 ) , "D" , "O" , 'D' , SupernaturalFlora . itemEtherealDivisor , 'O' , obsidian ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemObsidianIngot , 9 ) , "DO" , 'D' , SupernaturalFlora . itemEtherealDivisor , 'O' , obsidian ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( Blocks . obsidian , 1 ) , "III" , "III" , "III" , 'I' , SupernaturalFlora . itemObsidianIngot ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemOrb , 16 ) , "EDM" , 'E' , ender_pearl , 'D' , diamond , 'M' , SupernaturalFlora . itemSoulMedium ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemEtherRaw , 16 ) , "LDS" , 'L' , lapis_block , 'D' , diamond , 'S' , SupernaturalFlora . itemEtherealDivisor ) ; GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemACatalyst , 8 ) , "DDM" , "<seq2seq4repair_space>S<seq2seq4repair_space>" , 'D' , diamond , 'M' , SupernaturalFlora . itemSoulMedium , 'S' , SupernaturalFlora . itemEtherealDivisor ) ;

Fix:
GameRegistry . addRecipe ( new net . minecraft . item . ItemStack ( SupernaturalFlora . itemIronShard , 9 ) , "I" , "D" , 'D' , SupernaturalFlora . itemEtherealDivisor , 'I' , iron_ingot ) ;